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change swap and event processing order to avoid resize glitches #1004

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Merged
christian-rauch merged 3 commits into from
Feb 28, 2026
+6 −7
Merged

change swap and event processing order to avoid resize glitches #1004

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b03219c
change swap and event processing order to avoid resize glitches
christianrauch Feb 28, 2026
ac696e7
use proper Wayland enums for axes type and fix scroll direction
christianrauch Feb 28, 2026
772b942
remove redundant 'wl_display_roundtrip'
christianrauch Feb 28, 2026
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13 changes: 6 additions & 7 deletions components/pango_windowing/src/display_wayland.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -677,8 +677,8 @@ static void pointer_handle_axis(void *data, struct wl_pointer */*wl_pointer*/, u
float dx = 0, dy = 0;

switch (axis) {
case REL_X: dy = v; break; // up, down
case REL_Y: dx = v; break; // left, right
case WL_POINTER_AXIS_VERTICAL_SCROLL: dy = -v; break; // up, down
case WL_POINTER_AXIS_HORIZONTAL_SCROLL: dx = v; break; // left, right
}

w->SpecialInputSignal(SpecialInputEvent({
Expand Down Expand Up @@ -972,7 +972,6 @@ WaylandWindow::WaylandWindow(const int w, const int h,

wl_surface_commit(wsurface);

wl_display_roundtrip(display->wdisplay);
wl_display_roundtrip(display->wdisplay);

// wait for the first configure event
Expand Down Expand Up @@ -1025,17 +1024,17 @@ void WaylandWindow::Move(const int /*x*/, const int /*y*/) { }

void WaylandWindow::Resize(const unsigned int /*w*/, const unsigned int /*h*/) { }

void WaylandWindow::ProcessEvents() { }
void WaylandWindow::ProcessEvents() {
wl_display_dispatch_pending(display->wdisplay);
}

void WaylandWindow::SwapBuffers() {
eglSwapBuffers(display->egl_display, egl_surface);

// draw all decoration elements
decoration->draw();

MakeCurrent();

wl_display_dispatch(display->wdisplay);
eglSwapBuffers(display->egl_display, egl_surface);
}


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